Upgrade to U-Boot 2023.10.
The U-Boot 2023.10 tag is in the master branch, so switch the branch
back to master.
(From OE-Core rev: 6fce7f99ff5bacf7ad4b1816f462260fe41b38ee)
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>